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Properties of substance:
ammonium peroxydisulfate
Synonyms:
ammonium persulfate
Group of substances:
inorganic
Physical appearance:
colorless monoclinic crystals
Empirical formula (Hill's system for organic substances):
H
8
N
2
O
8
S
2
Structural formula as text:
(NH4)2S2O8
Molar/atomic mass: 228.19
Decomposition temperature (°C):
120
Solubility (g/100 g of solvent):
hydrogen fluoride
: very soluble [
Ref.
]
water
: 58.2 (0°C) [
Ref.
]
water
: 74.8 (15.5°C) [
Ref.
]
water
: 83.5 (25°C) [
Ref.
]
water
: 163 (80°C) [
Ref.
]
Properties of solutions:
42,7% (wt.), solvent - water
Density (g/cm
3
) = 1.24 (25°)
Density:
1.982 (20°C, g/cm
3
)
Reactions:
[
Ref.1
]
Ce
2
(SO
4
)
3
+ (NH
4
)
2
S
2
O
8
→ 2Ce(SO
4
)
2
+ (NH
4
)
2
SO
4
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-1648 (s)
LD
50
(mg/kg):
178 (rabbits, intravenous)
689 (rats, oral)
226 (rats, intraperitoneal)
References:
Dean J.A. Lange's handbook of chemistry. - 1999. - pp. 3.16
Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 11ed. - Wiley-interscience, 2004. - pp. 240
Milne G.W.A. Gardner's Commercially Important Chemicals. - Wiley-Interscience, 2005. - pp. 35
Perry D.L. Handbook of Inorganic Compounds. - 2nd ed. - CRC Press, 2011. - pp. 31
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 54 [Russian]
Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 26-27 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru
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